ISO 8501 describes preparation grades of welds, cut edges, and other areas with surface _________?

• Issues

• Irregularities

• Problems

• Imperfections

_________ imperfections may occur and become visible before and/or after the blast cleaning process?

• Surface

• Steel

• Weld

• Scale

There are _______ preparation grades for making steel surfaces with imperfections suitable for the application of paints and related products?

• One

• Two

• Three

• Four

Imperfections at welds, cut edges, and other areas of steel substrates are generally starting points for __________?

• Stress

• Fatigue

• Corrosion

• Erosion

'Minimum preparation considered necessary before application of paint', which grade am I?

• P1

• P2

• P3

• P4

Surface imperfections are also difficult to protect by application of _________ and related products?

• Liquids

• Linings

• Paints

• Coatings

'Very thorough preparation: surface is free of significant visible imperfections,' which grade am I?

• P1

• P2

• P3

• P4

BS EN ISO 8501-3 table __ details the imperfection and preparation grades?

• 2

• 1

• 4

• 3

Preparation grades can be broadly correlated with __________ categories?

• Blistering

• Failure

• Corrosivity

• Corrosion

How many corrosivity categories are there?

• 2

• 3

• 5

• 6